NHC UTILITIES

CHICAGO, IL · ~401 people served

Check your exact address → CHICAGO overview

100

Excellent

PurityRadar safety score

PWSID

FL5084110

State

Illinois

City

CHICAGO

Population served

401

Primary source

SWP

Score history

No change since tracking began Jun 18, 2026.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 100

2 score updates logged since tracking began Jun 18, 2026. Each future EPA re-score adds a point.

PFAS & contaminant readings

No PFAS detections are on record for this system from EPA’s UCMR5 monitoring (2023–25). Absence of a detection isn’t a guarantee — not every system was sampled, and this dataset doesn’t cover other contaminants.

Violations & enforcement

Violations on record

Unaddressed

Health-based

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Dec 2024. Official EPA record →

Monitoring & reporting · Haloacetic acids (HAA5) began Jan 2023 Resolved

Monitoring & reporting · Total trihalomethanes (TTHM) began Jan 2023 Resolved

Monitoring & reporting · Lead & Copper Rule began Jan 2022 Resolved

Monitoring & reporting · Total coliform began Apr 2009 Resolved

Monitoring & reporting · EPA contaminant 0600 began Jan 2009 Addressed

Monitoring & reporting · Total coliform began Nov 1999 Resolved

Recent enforcement actions

State action · SOX Dec 2024
State action · SOX Mar 2024
State action · SIE Oct 2023
State action · SOX May 2019
EPA/federal action · EFL Oct 2010
State action · SIE Apr 2009
State action · SIF Apr 2009
State action · SOX Aug 2004

This profile is built from EPA public records for system FL5084110 — SDWIS violations and UCMR5 PFAS sampling. The score is system-level and can’t account for your home’s plumbing (older pipes can add lead at the tap). For health decisions, check your exact address, read the utility’s Consumer Confidence Report, and confirm with your provider.